Speaker



FIG. 1 is a front and top perspective view of a speaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken line in the drawings is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 